<template>
    <div style="border: 1px solid #ccc">
        <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" />
        <Editor style="height: 600px; overflow-y: hidden" v-model="valueHtml" :defaultConfig="editorConfig" :mode="mode" @onCreated="handleCreated" @onChange="changeContent" />
    </div>
</template>

<script setup>
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, watch } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

const emits = defineEmits(['change'])

const editorRef = shallowRef()

const props = defineProps({
    content: { type: String, default: null }
})

// 内容 HTML
const valueHtml = ref('')

const toolbarConfig = {}
const editorConfig = { placeholder: '请输入内容...' }

watch(
    () => props.content,
    (val, old) => {
        valueHtml.value = val
    }
)

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
    const editor = editorRef.value
    if (editor == null) return
    editor.destroy()
})

const handleCreated = (editor) => {
    editorRef.value = editor // 记录 editor 实例，重要！
}

const changeContent = (editor) => {
    emits('change', editor.getHtml())
}
</script>
